# The MEV Letter #154 **URL:** https://collective.flashbots.net/t/the-mev-letter-154/6052 **Category:** The Flashbots Ship **Tags:** the-mev-letter **Created:** [September 22, 2026, 8:36pm UTC](https://collective.flashbots.net/t/the-mev-letter-154/6052 "2026-09-22T20:36:59Z") **Posts on this page:** 1 **Page:** 1
### Author: ![Fred](https://collective.flashbots.net/user_avatar/collective.flashbots.net/fred/32/1288_2.png) [@Fred](https://collective.flashbots.net/u/Fred) #### Post date: [September 22, 2026, 8:36pm UTC](https://collective.flashbots.net/t/the-mev-letter-154/6052/1 "2026-09-22T20:36:59Z")
_ **The MEV Letter** _ is a weekly collection of papers, articles and resources related to MEV. The intention of this letter is to provide a comprehensive summary of the latest research, discussions, and developments in the space, with links for further reading. * * * # Papers & Articles - [When AI Agents Meet MEV: Cross-Chain Arbitrage in the Agentic Economy](http://arxiv.org/abs/2609.17897v1) by [Wei Ye](https://www.linkedin.com/in/wei-ye-econ/), [Jingyan Xu](https://www.linkedin.com/in/jingyanxu1999/), and [Yuanhong Wu](https://arxiv.org/search/cs?searchtype=author&query=Wu,+Y) studies how autonomous AI agents perform cross-chain arbitrage, and how their trade sizing, adaptive routing, and randomization affect profitability and front-running risk. - [ETH-TraceBench: A Large-Scale Event-Stream Benchmark for Ethereum DeFi under Temporal, Protocol, and Contract Shift](http://arxiv.org/abs/2609.23659v1) by [Kemal Kirtac](https://www.linkedin.com/in/kemalkirtac/) and [Carsten Maple](https://x.com/cmaple) introduces an event-log benchmark for DEX transaction classification and liquidation detection under temporal, protocol, and contract shifts. - [When Data Binds Execution: Dynamic Simulation of EIP-7999’s Multidimensional Fee Market](https://ethresear.ch/t/when-data-binds-execution-dynamic-simulation-of-eip-7999-s-multidimensional-fee-market/26018) by [Fei Wu](https://x.com/William33203632) studies how [BAL](https://blockaccesslist.xyz/) data costs, data limits, and propagation time affect [EIP-7999](https://eips.ethereum.org/EIPS/eip-7999) throughput. - [Post-Glamsterdam One-dimensional Fee Market and Comparison with EIP-7999](https://ethresear.ch/t/post-glamsterdam-one-dimensional-fee-market-and-comparison-with-eip-7999/26062) by [Fei Wu](https://x.com/William33203632) compares post-Glamsterdam execution and state growth under one-dimensional fee mechanisms and [EIP-7999](https://eips.ethereum.org/EIPS/eip-7999). - [It’s time for a Faster Ethereum: what the ecosystem has to say about EIP-8198](https://x.com/ethlabs_org/status/2100572351104500108) by [Ethlabs](https://ethlabs.org/) summarizes ecosystem feedback on [Quick Slots](https://quickslots.info/), and outlines the benefits for UX, market efficiency, censorship resistance, and cross-rollup composability. - [Post](https://x.com/barnabemonnot/status/2100575903461839032) by [Barnabé Monnot](https://x.com/barnabemonnot) - [Post](https://x.com/_julianma/status/2100574109482557865) by [Julian Ma](https://x.com/_julianma) - [Post](https://x.com/decentrek/status/2100585746340147342) by [Derek Chiang](https://derekchiang.com/) - [Post](https://x.com/ox_shaman/status/2100575175200706591) by [Mislav Javor](https://x.com/ox_shaman) - [Quick blocks without quick slots](https://www.potuz.net/posts/quick-blocks/) by [Potuz](https://x.com/potuz_eth) details an alternative to [Quick Slots](https://quickslots.info/) using multiple payloads per slot, and examines the trade-offs related to confirmation guarantees and multi-block MEV. - [Post](https://x.com/potuz_eth/status/2101310896920314088) by [Potuz](https://x.com/potuz_eth) - [Things That Help Shorter Slots](https://terencechain.com/writing/things-that-help-shorter-slots/) by [Terence Tsao](https://terencechain.com/) describes ways to shorten slots, including faster propagation, pipelined execution, and reduced validator workloads. - [Post](https://x.com/terencechain/status/2100242641476862066) by [Terence Tsao](https://terencechain.com/) - [Multi-Party Blocks Are Live on Ethereum Mainnet](https://x.com/blockspaceforum/status/2100205968311148676) by [Blockspace Forum](https://blockspace.forum) announces the mainnet launch of [Multi-party block construction (MPBC)](https://docs.blockspace.forum/mpbc/), allowing transactions from additional builders to be appended to blocks while preserving the existing PBS auction. - [Post](https://x.com/blockspaceforum/status/2100508630105600239) by [Blockspace Forum](https://blockspace.forum) - [Post](https://x.com/mostlyblocks/status/2100208223735238768) by [Michael Moser](https://x.com/mostlyblocks) - [Towards Encrypted Mempools from Threshold IBE without Batching](https://ethresear.ch/t/towards-encrypted-mempools-from-threshold-ibe-without-batching/26040) by [Gottfried Herold](https://github.com/GottfriedHerold) outlines an encrypted mempool design without batch decryption, fixing inclusion and ordering before key release while highlighting unresolved cryptographic requirements. # Talks & Discussions - [Milk Road](https://milkroad.com/): [Ethereum’s Next Upgrade Could be The Most Bullish One Ever](https://www.youtube.com/watch?v=565nMu7wCvQ) invites [Julian Ma](https://x.com/_julianma), [Derek Chiang](https://x.com/decentrek), and [binji](https://x.com/binji_x) for a conversation on [Quick Slots](https://quickslots.info/), account abstraction, privacy, and [Ethlabs](https://ethlabs.org/). - [Post](https://x.com/milkroaddaily/status/2100925810026664004) by [Milk Road](https://milkroad.com/) - [The Edge Podcast](https://www.the-edge.xyz/): [Private DeFi Is Coming: Why Privacy Is Ethereum’s Next Frontier | Lean Ethereum](https://youtu.be/XrMAGHwayy8?si=lv8dFmspT-HmUa9O) invites [Thomas Thiery](https://x.com/soispoke) to discuss the state of onchain privacy, Ethereum’s privacy roadmap, and what it could unlock for DeFi. - [Thread](https://x.com/DeFi_Dad/status/2099824125610979499) by [DeFi Dad](https://x.com/DeFi_Dad) - [Post](https://x.com/soispoke/status/2099827403501523015) by [Thomas Thiery](https://x.com/soispoke) - [Credible Commitments](https://crediblecommitments.xyz/): [Blockspace & Multi-party block construction for Ethereum](https://www.youtube.com/watch?v=9b93M7VpJI8) invites [Drew Van der Werff](https://x.com/drewvdw) for a conversation on [Commit-Boost](https://github.com/Commit-Boost/)’s role after the transition to [ePBS](https://eips.ethereum.org/EIPS/eip-7732), and the design of [Multi-party block construction (MPBC)](https://docs.blockspace.forum/mpbc/) by [Blockspace Forum](https://blockspace.forum). - [Thread](https://x.com/apriori0x/status/2102018901689135379) by [apriori](https://x.com/apriori0x) - [Post](https://x.com/DrewVdW/status/2102026888046694450) by [Drew Van der Werff](https://x.com/drewvdw) - [All Core Devs - Consensus (ACDC) #187, September 17 2026](https://www.youtube.com/watch?v=3wr0wlNjLAU) hosted by [Alex Stokes](https://stokes.io) covered updates from Glamsterdam devnets, testnet scheduling, and Hegotá non-headliner scoping. - [Agenda](https://github.com/ethereum/pm/issues/2222) by [nixo.eth](https://x.com/nixorokish) - [Notes](https://etherworld.co/ethereum-protocol-update-acdc-187/) by [Yash Kamal Chaturvedi](https://x.com/YashKamalChatu1) - [All Core Devs - Testing (ACDT) #97, Sept 21, 2026](https://www.youtube.com/watch?v=ESJMv-hVxPw) hosted by [danceratopz](https://x.com/danceratopz) discussed Glamsterdam devnet updates, testnet scheduling, and preliminary Hegotá devnet planning. - [Agenda](https://github.com/ethereum/pm/issues/2225) by [danceratopz](https://x.com/danceratopz) - [ACDT #97 (CL Breakout)](https://www.youtube.com/watch?v=-70GGWWb-v4) - [Encrypt The Mempool #10, September 16, 2026](https://www.youtube.com/watch?v=u2eIAnIsvAQ) hosted by [Justin Florentine](https://x.com/robocopsgonemad) discussed the latest updates related to [EIP-8184: LUCID encrypted mempool](https://ethereum-magicians.org/t/eip-8184-lucid-encrypted-mempool/28017). - [Agenda](https://github.com/ethereum/pm/issues/2219) by [Justin Florentine](https://x.com/robocopsgonemad) - [FOCIL Breakout #42, September 15, 2026](https://www.youtube.com/watch?v=skrZKWT5fNg) hosted by [Jihoon Song](https://x.com/jih2nn) covered [FOCIL](https://eips.ethereum.org/EIPS/eip-7805) testing, Devnet-0 readiness, and compatibility with [Frame Transactions](https://eips.ethereum.org/EIPS/eip-8141). - [Agenda](https://github.com/ethereum/pm/issues/2218) by [Jihoon Song](https://x.com/jih2nn) # Other - [Security Advisory: Storage Aliasing in Priority Update Registry V1 09/15/26](https://collective.flashbots.net/t/security-advisory-storage-aliasing-in-priority-update-registry-v1-09-15-26/6030) by @Quintus details a vulnerability in [Priority Update Registry](https://github.com/flashbots/priority-update-registry) that enabled unauthorized price updates, with no evidence of exploitation found. - [[AMA] We are EF Protocol (Pt. 15: 16 September, 2026)](https://www.reddit.com/r/ethereum/comments/1wf48x3/ama_we_are_ef_protocol_pt_15_16_september_2026/) hosted by [Protocol at Ethereum Foundation](https://protocol.ethereum.foundation/) answered questions on Ethereum’s roadmap, scaling, privacy, post-quantum security, staking economics, and more. - [Ethlabs Week 13: A faster L1 ecosystem survey; should we keep scaling blobs?; AA gets concrete migration paths](https://x.com/ox_shaman/status/2101655774233592281) by [Mislav Javor](https://x.com/ox_shaman) outlines the recent work by [Ethlabs](https://ethlabs.org/) on gathering [ecosystem feedback](https://x.com/ethlabs_org/status/2100572351104500108) on [Quick Slots](https://quickslots.info/), blob-target planning, account abstraction, and more. * * * ✉ [**Sign up here**](https://flashbots.net/the-mev-letter) if you’d like to get The MEV Letter straight to your inbox! 🔮 [Explore previous editions via The MEV Letter explorer](https://collective.flashbots.net/t/explorer/100)